Decatur township, Illinois
Decatur township profile, demographic data, and geographic information.
Decatur township is a geographic entity located in Macon County, Illinois. As of official census estimates, it has a reported population of 45,203. The land area covers 29.07 sq mi. [1]
Demographics & Population
| Demographic Metric | Estimate / Count | Margin of Error | Survey Period / Source |
|---|---|---|---|
| Total Population (2025 PEP Estimate) | 45,203 | — | 2025 / Census |
| Median Age | 37.1 yrs | ±1.2 | 2020-2024 / Census ACS 5-Year 2024 |
| Total Households | 20,031 | ±631 | 2020-2024 / Census ACS 5-Year 2024 |
Source: U.S. Census Bureau (PEP, ACS 5-Year).
Housing & Real Estate Profile
| Housing Metric | Estimate / Value | Margin of Error |
|---|---|---|
| Total Housing Units | 24,106 | ±503 |
| Occupied Housing Units | 20,031 | ±631 |
| Vacant Housing Units | 4,075 | ±397 |
| Median Home Value | $86,700 | ±$2,954 |
| Median Gross Rent | $822 | ±$32 |
Source: U.S. Census Bureau ACS 5-Year (2020-2024).
Economy & Workforce
| Economic Metric | Estimate / Value | Margin of Error |
|---|---|---|
| Median Household Income | $48,870 | ±$2,541 |
| Per Capita Income | $29,091 | ±$1,366 |
| Poverty Rate | 24.2% | ±2.4% |
| Population Below Poverty Level | 10,766 | ±1,065 |
| Unemployment Rate | 9.9% | ±1.6% |
| Civilian Labor Force, Employed | 19,041 | ±659 |
| Broadband Internet Rate | 88.3% | ±1.6% |
Source: U.S. Census Bureau ACS 5-Year (2020-2024).
Local Government & Public Administration
Authoritative general-purpose local government units serving this area
U.S. Census Bureau GUS (2026) / GMAF
| Government Unit | Unit Type | Jurisdiction Role | Contact / Address |
|---|---|---|---|
|
TOWNSHIP OF DECATUR
GUS Population: 45,999 (2024)
ID: 103034
|
Township | Official Local Government |
Contact: SUPERVISOR/CLERK
1620 S TAYLORVILLE RD, DECATUR IL 62521-3951
|
|
GUS Population: 100,737 (2024)
ID: 194546
|
County | Official County Government |
Contact: AUDITOR
141 S MAIN ST, DECATUR IL 62523-6033
|
Education
Listing 10 local institutions (NCES 2024-2025)
External reference via K12Guides
| Institution | Type | Grades | Location |
|---|---|---|---|
| Regular School Decatur | KG-08 | Decatur, IL | |
| Alternative School Decatur | KG-12 | Decatur, IL | |
| Regular School Decatur | KG-08 | Decatur, IL | |
| Regular School Decatur | 09-12 | Decatur, IL | |
| Regular School Decatur | KG-06 | Decatur, IL | |
| Alternative School Decatur | 09-12 | Decatur, IL | |
| Career and Technical School Decatur | 11-12 | Decatur, IL | |
| Regular School Decatur | KG-08 | Decatur, IL | |
| Regular School Decatur | KG-08 | Decatur, IL | |
| Regular School Decatur | 09-12 | Decatur, IL |
Source: k12guides.com.
Community Facilities & Infrastructure
Displaying 10 civic institutions across 2 datasets queried
CMS • IPEDS • IMLS
| Facility Name | Category | Relationship | Address / Location | Contact |
|---|---|---|---|---|
|
Millikin University
|
College | 1.0 mi away | 1184 W Main St, Decatur, IL, 62522-2084 |
2174246211
|
|
DECATUR PUBLIC LIBRARY
|
Library | 0.4 mi away | 130 NORTH FRANKLIN STREET, DECATUR, IL, 62523 |
(217) 424-2900
|
|
Reflections Academy of Beauty
|
College Vocational | 2.3 mi away | 3122 Brettwood Cir, Decatur, IL, 62526 |
2174259117
|
|
FORSYTH PUBLIC LIBRARY
|
Library | 6.0 mi away | 268 SOUTH ELWOOD STREET, FORSYTH, IL, 62535 |
(217) 877-8174
|
|
Richland Community College
|
College | 4.3 mi away | One College Park, Decatur, IL, 62521-8513 |
2178757200
|
|
MOUNT ZION PUBLIC LIBRARY DISTRICT
|
Library | 7.0 mi away | 115 WEST MAIN STREET, MOUNT ZION, IL, 62549 |
(217) 864-3622
|
|
ARGENTA-OREANA PUBLIC LIBRARY DISTRICT
|
Library | 7.9 mi away | 211 SOUTH ROUTE 48, OREANA, IL, 62554 |
(217) 468-2340
|
|
BARCLAY PUBLIC LIBRARY DISTRICT
|
Library | 8.0 mi away | 220 SOUTH MAIN STREET, WARRENSBURG, IL, 62573 |
(217) 672-3621
|
|
SOUTH MACON PUBLIC LIBRARY DISTRICT
|
Library | 9.9 mi away | 451 WEST GLENN STREET, MACON, IL, 62544 |
(217) 764-3356
|
|
ARGENTA BRANCH LIBRARY
|
Library | 11.8 mi away | 100 EAST WATER STREET, ARGENTA, IL, 62501 |
(217) 795-2144
|
Distances calculated from authoritative source coordinates. Source: CMS, IMLS, NCES IPEDS.
Climate & Weather Observations
NOAA Monthly Climate Normals
Observation Station: Climate data reflects NOAA 1991–2020 standard normals recorded at DECATUR WTP, IL US, located 1.3 miles from Decatur township. Local microclimates, topography, and elevation may cause municipal conditions to differ.
| Month | High (°F) | Low (°F) | Mean (°F) | Precip (in) | Snow (in) |
|---|---|---|---|---|---|
| January | 34.0° | 19.7° | 26.9° | 2.40" | 5.9" |
| February | 39.1° | 23.5° | 31.3° | 2.00" | 2.5" |
| March | 50.8° | 32.8° | 41.8° | 2.64" | 0.9" |
| April | 63.4° | 43.3° | 53.3° | 4.12" | 0.4" |
| May | 73.5° | 53.8° | 63.7° | 4.95" | 0.0" |
| June | 82.2° | 63.1° | 72.6° | 4.73" | 0.0" |
| July | 84.7° | 66.5° | 75.6° | 4.00" | 0.0" |
| August | 83.5° | 64.9° | 74.2° | 3.50" | 0.0" |
| September | 77.7° | 57.0° | 67.3° | 3.08" | 0.0" |
| October | 65.3° | 45.7° | 55.5° | 3.41" | 0.0" |
| November | 50.3° | 34.3° | 42.3° | 3.21" | 0.4" |
| December | 38.6° | 25.0° | 31.8° | 2.40" | 3.5" |
Source: NOAA U.S. Climate Normals (1991–2020).
Local Weather Forecast
Weather forecast data is currently unavailable in the local cache.
Nearby Cities & Communities
Listing adjacent communities by spatial proximity (miles)
Proximity discovery
| Community Name | Classification | Distance | Population |
|---|---|---|---|
| Decatur city | City | 1.5 mi | — |
| Elwin CDP | CDP | 5.0 mi | — |
| Harristown village | Village | 5.4 mi | — |
| Forsyth village | Village | 5.5 mi | — |
| Mount Zion village | Village | 5.8 mi | — |
| Long Creek village | Village | 6.5 mi | — |
Sources & Data Provenance
- Geographic Classification & Identifiers: U.S. Census Bureau Gazetteer (2026) and TIGER/Line Shapefiles. GEOID: 1711518836. • Official Source Dataset →
- Socioeconomic & Housing Metrics: U.S. Census Bureau American Community Survey (ACS) 5-year estimates and Population Estimates Program (PEP). Margin of Error (MOE) intervals are reported where published; suppressed values are never estimated or replaced with false zeros.
- Civic Directory Datasets: Centers for Medicare & Medicaid Services (CMS Hospital Directory), National Center for Education Statistics (NCES IPEDS Postsecondary Directory), and Institute of Museum and Library Services (IMLS Public Libraries Survey). Airport landing facilities are provided by airport-data.com.
- Weather & Climate Observations: National Oceanic and Atmospheric Administration (NOAA) U.S. Climate Normals 1991–2020 and National Weather Service (NWS) point forecasts.